Surah Al-Hajj Verse 11 - English Translation by A. J. Arberry
Surah Al-Hajjوَمِنَ ٱلنَّاسِ مَن يَعۡبُدُ ٱللَّهَ عَلَىٰ حَرۡفٖۖ فَإِنۡ أَصَابَهُۥ خَيۡرٌ ٱطۡمَأَنَّ بِهِۦۖ وَإِنۡ أَصَابَتۡهُ فِتۡنَةٌ ٱنقَلَبَ عَلَىٰ وَجۡهِهِۦ خَسِرَ ٱلدُّنۡيَا وَٱلۡأٓخِرَةَۚ ذَٰلِكَ هُوَ ٱلۡخُسۡرَانُ ٱلۡمُبِينُ
And among men there is such a one as serves God upon the very edge -- if good befalls him he is at rest in it, but if a trial befalls him he turns completely over; he loses this world and the world to come; that is indeed the manifest loss